Open up the brackets

Collect like terms

Simplify


Therefore, your answer is 12.
Step 1
find the volume of sand
volume of sand=8*20*3------------>Volume of sand=480 in³
Volume of sand in the new terrarium=10*24*h
where
h------------> is the <span>deep in the new terrarium
</span>remember that
the volume of sand is the same
so
10*24*h=480----------> h=480/(10*24)-----------> h=2 in
the answer is 2 in
The answer is 5 hoped that helped and good luck (:
Answer:
Step-by-step explanation:
-2x - 7
Answer:
1. D
Step-by-step explanation: